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*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:20px}body{margin:0;line-height:1.65}a{color:inherit;text-decoration-thickness:1px;text-underline-offset:4px}button,input,textarea{font:inherit}button,a,input,textarea,summary{touch-action:manipulation}button{cursor:pointer}img{display:block;max-width:100%;height:auto}h1,h2,h3,p,figure{margin:0}h1,h2,h3{overflow-wrap:anywhere;hyphens:auto;line-height:1.15;text-wrap:balance}h1{font-family:Georgia,'Times New Roman',serif;font-weight:400;font-size:clamp(2.35rem,4.3vw,4.8rem);letter-spacing:-.04em}h2{font-family:Georgia,'Times New Roman',serif;font-weight:400;font-size:clamp(1.8rem,3vw,2.8rem);letter-spacing:-.025em}h3{font-size:1.12rem}p+p{margin-top:1em}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #206dbe;outline-offset:4px}button[disabled]{cursor:default;opacity:.6}.wrap{width:min(1200px,calc(100% - 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figcaption{font-size:.73rem;line-height:1.45;color:var(--muted);margin-top:12px}.content-grid{display:grid;grid-template-columns:minmax(0,770px) minmax(230px,1fr);gap:65px;align-items:start;padding-bottom:56px}.article>section{padding:35px 0;border-top:1px solid var(--line)}.article h2{margin-bottom:22px}.article p{font-size:1.03rem}.steps{padding:0;margin:26px 0 0;list-style:none;counter-reset:steps}.steps li{counter-increment:steps;display:grid;grid-template-columns:42px 1fr;gap:17px;padding:18px 0;border-top:1px solid var(--line);align-items:start}.steps li:before{content:'0' counter(steps);color:#44744d;font-size:.85rem;font-weight:700;padding-top:3px}.note{padding:20px 22px;border-radius:16px;background:#eef1e6;font-size:.93rem;margin-top:24px}.example{padding:24px;border:1px solid var(--line);border-radius:18px;margin-top:16px;background:#fffdf8}.example blockquote{margin:0 0 20px;font-family:Georgia,serif;font-size:1.18rem;line-height:1.55}.text-button{border:1px solid var(--line);border-radius:24px;padding:9px 16px;background:transparent;color:var(--ink);min-height:44px;font-size:.82rem}.status{min-height:1.5em;font-size:.8rem;color:var(--muted);margin-top:10px}.story-image{margin-top:34px}.story-image img{border-radius:24px;width:100%;aspect-ratio:16/9;object-fit:cover}.practice{background:var(--mint);border-radius:24px;padding:28px}.practice label{display:block;font-size:.87rem;font-weight:600;margin:17px 0 8px}.practice textarea{display:block;width:100%;resize:vertical;min-height:135px;border:1px solid #759575;border-radius:12px;background:#fcfff9;color:var(--ink);padding:14px;line-height:1.6}.checks{display:grid;gap:12px;margin-top:20px}.checks label{display:flex;gap:12px;align-items:flex-start;margin:0;font-size:.9rem;font-weight:400}.checks input{width:20px;height:20px;flex:0 0 20px;accent-color:var(--green);margin-top:3px}.aside-card{background:#eeeede;border-radius:24px;padding:28px;position:sticky;top:24px}.aside-card h2{font-size:1.9rem;margin:14px 0}.aside-card p{font-size:.91rem;color:var(--muted)}.aside-card ul{padding-left:20px;font-size:.9rem}.aside-card .button{margin:15px 0;width:100%}.contents{margin-top:22px;display:grid;gap:10px;font-size:.87rem}.faq details{border-top:1px solid var(--line);padding:18px 0}.faq summary{font-weight:600;cursor:pointer;min-height:30px}.faq details p{margin-top:14px;color:var(--muted);font-size:.96rem}.related{padding:40px 0 70px;border-top:1px solid var(--line)}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:26px}.card{display:flex;flex-direction:column;text-decoration:none;border:1px solid var(--line);border-radius:20px;overflow:hidden;background:#fffdf8}.card img{width:100%;aspect-ratio:16/10;object-fit:cover}.card-body{padding:22px;flex:1}.card h3{font-family:Georgia,serif;font-size:1.55rem;font-weight:400;margin:9px 0 13px}.card p{font-size:.88rem;color:var(--muted)}.card:hover{border-color:#758e6c}.footer{background:#193b31;color:#f4f6e9;padding:35px 0 calc(35px + env(safe-area-inset-bottom,0px))}.footer .wrap{display:flex;justify-content:space-between;gap:35px;flex-wrap:wrap}.footer p{font-size:.78rem;color:#c6d4c5;max-width:50ch}.footer nav{display:flex;gap:18px;flex-wrap:wrap;font-size:.82rem}.hub-hero{padding:55px 0 35px;max-width:840px}.hub-hero h1{margin:18px 0 24px}.filters{display:flex;flex-wrap:wrap;gap:10px;margin:28px 0}.filters a{font-size:.8rem;text-decoration:none;border:1px solid var(--line);padding:7px 14px;border-radius:25px}.hub-group{padding:25px 0 50px;border-top:1px solid var(--line)}.search{max-width:600px;margin-bottom:30px}.search label{display:block;font-size:.85rem;margin-bottom:8px}.search input{width:100%;padding:14px 18px;border:1px solid var(--line);border-radius:30px;background:white;color:var(--ink)}[hidden][hidden]{display:none}
@media(max-width:850px){.hero{gap:25px}.content-grid{gap:30px;grid-template-columns:minmax(0,1fr) 250px}.aside-card{padding:20px}.cards,.hub-group .cards{grid-template-columns:repeat(2,minmax(0,1fr))}.hero img{border-bottom-right-radius:70px}}
@media(max-width:640px){.wrap{width:calc(100% - 32px)}.topbar{padding:18px 0;flex-wrap:wrap;gap:14px}.topnav{gap:14px;flex-wrap:wrap}.topnav .optional{display:none}.brand{font-size:1.5rem}.hero{grid-template-columns:1fr;padding:30px 0 36px;gap:30px}.hero h1{font-size:2.75rem}.hero img{aspect-ratio:16/11;border-radius:24px 24px 64px 24px}.content-grid{display:flex;flex-direction:column;gap:10px}.content-grid>*,.aside-card{width:100%;min-width:0}.aside-card{position:static;order:2}.article>section{padding:30px 0}.cards,.hub-group .cards{grid-template-columns:1fr}.related{padding:30px 0 45px}.practice{padding:22px}.topnav a{font-size:.82rem}.footer .wrap{gap:22px}.footer nav{gap:14px}.hub-hero{padding-top:32px}.lead{font-size:1.04rem}.breadcrumbs{font-size:.75rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.local-idea{border-left:3px solid var(--green);padding:4px 0 4px 20px;margin:24px 0}.local-idea h3{font-size:1.2rem;margin-bottom:12px}
.languages{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center;flex-basis:100%;font-size:.82rem}.languages a{padding:5px 9px;border-radius:16px;text-decoration:none}.languages a[aria-current=page]{background:var(--mint);font-weight:700}
html:lang(zh){font-family:Manrope,'PingFang SC','Microsoft YaHei','Noto Sans CJK SC',sans-serif}html:lang(zh) h1,html:lang(zh) h2,html:lang(zh) h3,html:lang(zh) .card h3,html:lang(zh) blockquote{font-family:'Songti SC',SimSun,'Noto Serif CJK SC',serif;letter-spacing:0;line-height:1.35;hyphens:none}html:lang(zh) .eyebrow{letter-spacing:.04em}html:lang(zh) .lead{max-width:36em}
.editorial-note{border-left:3px solid var(--green);background:#eef4eb;border-radius:0 16px 16px 0;padding:20px 24px;margin-bottom:28px}.editorial-note .micro{margin-top:10px}.article-contents{border:1px solid var(--line);border-radius:20px;padding:24px;margin-bottom:8px}.article-contents h2{font:700 1rem Manrope,Arial,sans-serif;letter-spacing:0}.article-contents ol{margin:16px 0 0;padding-left:22px}.article-contents li+li{margin-top:8px}.article .guide-section h2{font-size:clamp(1.65rem,2.5vw,2.35rem)}.guide-section p{max-width:70ch}.guide-section ul,.article-sources ul{padding-left:24px;margin:22px 0 0}.guide-section li+li,.article-sources li+li{margin-top:10px}.article-sources a{overflow-wrap:anywhere}.article-sources h2{font-size:1.65rem}html:lang(zh) .article-contents h2{font-family:'PingFang SC','Microsoft YaHei',sans-serif}
@media(max-width:640px){.editorial-note,.article-contents{padding:20px}.article-contents{margin-top:4px}.article .guide-section h2{font-size:1.85rem}}